Midmark 626 - User Manual

1
© 2018 Midmark Corp. | 60 Vista Drive Versailles, OH 45380 USA | 1-800-643-6275 | 1-937-526-3662 |
MA10555-1i
626 Main PC Board Installation (002-10083-02)
003-10093-00 Rev. AA3 10/29/19
Step 2 : Remove Top Cover
A) Remove two screws from back of top cover.
B) Pull cover toward head end to disengage tabs.
Top Cover
Caution
Always disconnect power to chair before removing
covers or performing any service procedures.
Tabs
Control Board
Housing Cover
Step 1: Remove Control Board Housing Cover
A) Raise chair backrest to the full upright position.
B) Position chair base 16” from chair seat frame to floor.
C) Unplug chair.
D) Lift the shrouds, remove three screws from Control Board Housing Cover.
E) Slide Control Board Housing Cover out of chair.
Style A
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Summary

Remove Control Board Housing Cover

Caution

Always disconnect power to chair before removing covers or performing any service procedures.

Remove Top Cover

Remove PCB Shelf Assembly

Remove Main PC board

Caution

Risk of electric shock. Always disconnect chair power for three minutes allowing capacitance to dissipate prior to changing the Main PC Board.

Equipment Alert

When installing new PC Board, only apply pressure at Standoff points. Failure to do so could result in damage to PC Board.

Install New Main PC Board & Re-assemble Chair

Chair Position Calibration Procedure

Step 1: Power up chair. Locate the Diagnostic PC Board.

Power up chair. Locate the Diagnostic PC Board.

Step 2: Press and release the UP or DOWN button until “POSITION CALIBRAT(ion)” is displayed.

Press and release the UP or DOWN button until “POSITION CALIBRAT(ion)” is displayed.

Step 3: Press ENTER button once. The display will show “CALIBRAT(ion) Start.

Press ENTER button once. The display will show “CALIBRAT(ion) Start". Press ENTER again. Chair cycles. Display shows “CALIBRATING (Scrolling) POSITION”. Hear beeps. Display shows “CALIBRAT COMPLETE”.

Programmable Home Function

To program the Home function...

Press Base Up/Down to move Base, Back Up/Down for angle. Press Stop, then Home button and hold for 3-4 seconds.

To activate the Home function...

Press & release the Home button. Any button can terminate movement.

Equipment Alert

Controllers must be within a fifteen foot radius of chair to be able to command the chair.

Quick Exam Function

To program the Quick Exam function...

Press Base Up/Down for height, Back Up/Down for angle. Press Stop, then Quick Exam® button and hold for 3-4 seconds.

To activate the Quick Exam function...

Press & release the Quick Exam® button. Any button can terminate movement.

Alternative PC Board Access

Equipment Alert

Do not spread shrouds more than necessary to access PC Board or equipment could be damage.

Separating Shrouds...

Remove screws from Outer and Inner Shrouds. Lift and spread shrouds away from chair.

Note

The Back can be manually raised and lowered by lifting up on back section and removing the Back Actuator clevis pin.

Midmark 626 Specifications

General

Power Height Adjustment	Yes
Power Back Adjustment	Yes
Patient Positioning	Yes
Heated Upholstery	Optional
Patient Support Rails	Yes
Model Number	626
Power Requirements	120 VAC, 60 Hz
Category	Exam Table
Width	28" (71.1 cm)
Length	72 inches
Product Type	Exam Table
Table Length	72 inches
Table Width	28" (71.1 cm)
Upholstery Material	Seamless
Patient Weight Capacity	500 lb (227 kg)